Home / 472,396,077.20-708,594,115.80-288,730,067.60

Finding the Fourth Proportional to 472,396,077.20, 708,594,115.80 and 288,730,067.60

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Solution

The fourth proportional to 472,396,077.20, 708,594,115.80 and 288,730,067.60 is: 433,095,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,077.20 : 708,594,115.80 = 288,730,067.60 : x
  2. Step 2: Convert to fraction form
    472,396,077.20/708,594,115.80 = 288,730,067.60/x
  3. Step 3: Cross multiply
    472,396,077.20x = 708,594,115.80 × 288,730,067.60
  4. Step 4: Simplify right side
    472,396,077.20x = 204,592,426,955,896,224
  5. Step 5: Solve for x
    x = 204,592,426,955,896,224/472,396,077.20
  6. Step 6: Final answer
    x = 433,095,101.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.